SUB+IDX → SRT
Convert DVD VobSub image subtitles locally in your browser.
- 100% in your browser
- No upload
- Free
Drop the VobSub .sub and .idx files here, or click to browse
DVD image subtitles · up to 256 MB per file · processed in your browser
Waiting for .idxWaiting for .sub
Frequently asked questions
What is VobSub?
VobSub is a DVD subtitle format that stores bitmap subtitles in a .sub file and timing, palette, and language metadata in a matching .idx file.
Do my files leave my device?
No. The .sub and .idx files, rendered subtitle images, and OCR all stay in your browser. The browser only downloads the OCR engine and selected language data.
What happens to low-confidence cues?
Cues the first pass is unsure about automatically get a second local pass with different recognition settings and upscaling for small text. Anything still uncertain is highlighted in the preview so you can fix it by eye.